Physics · 2009
NEET 2009 · Prelims · Code A · Q7
Two bodies of mass 1 kg and 3 kg have position vectors i +2 j + k and -3 i -2 j + k, respectively. The centre of mass of this system has a position…
Two bodies of mass $\displaystyle 1$ kg and $\displaystyle 3$ kg have position vectors $\displaystyle \hat{i}+2 \hat{j}+\hat{k}$ and $\displaystyle -3 \hat{i}-2 \hat{j}+\hat{k}$, respectively. The centre of mass of this system has a position vector :
Official answer
(3)
$\displaystyle -2 \hat{i}-\hat{j}+\hat{k}$
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NEET (UG) 2009 Physics question, with the answer from NTA’s final answer key. Where our answers come from.